Picture frame



FIG. 1 is a perspective view of the picture frame of the present invention;

FIG. 2 is a front elevation view thereof, the rear elevation view being identical thereto;

FIG. 3 is a right side elevation view thereof, the left side elevation view being identical thereto; and,

FIG. 4 is a top plan view thereof, the bottom plan view being identical thereto.

The surface shading lines are provided only to indicate the character and/or any contour or curvature of the surfaces. They do not indicate color, texture, markings that actually exist thereon, indicia, graphic representations, surface treatment, or any other ornamentation applied to the article. 

CLAIM The ornamental design for a picture frame, as shown and described. 